Finding the Fourth Proportional to 19,368,381.93, 26,728,044.12 and 10,667,364.18
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Solution
The fourth proportional to 19,368,381.93, 26,728,044.12 and 10,667,364.18 is: 14,720,784.70
Step by Step Solution
- Step 1: Write the proportion equation
19,368,381.93 : 26,728,044.12 = 10,667,364.18 : x - Step 2: Convert to fraction form
19,368,381.93/26,728,044.12 = 10,667,364.18/x - Step 3: Cross multiply
19,368,381.93x = 26,728,044.12 × 10,667,364.18 - Step 4: Simplify right side
19,368,381.93x = 285,117,780,447,147.62 - Step 5: Solve for x
x = 285,117,780,447,147.62/19,368,381.93 - Step 6: Final answer
x = 14,720,784.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.